Article of footwear



FIG. 1 is a top perspective view of an article of footwear showing my new design;

FIG. 2 is a bottom perspective view of the article of footwear of FIG. 1;

FIG. 3 is a top view of the article of footwear of FIG. 1;

FIG. 4 is a bottom view of the article of footwear of FIG. 1;

FIG. 5 is a right side view showing the article of footwear of FIG. 1;

FIG. 6 is a left side view of the article of footwear of FIG. 1;

FIG. 7 is a front view of the article of footwear of FIG. 1; and,

FIG. 8 is a rear view of the article of footwear of FIG. 1.

The broken lines shown in the drawings illustrate portions of the article of footwear that form no part of the claimed design. 

CLAIM The ornamental design for an article of footwear, as shown and described. 